To be an artist is to be constantly questioning.
The most considerable difference I can see between men and animals is not in reason, but in the extent of the power of using it.  
农业效率不仅仅关乎产量;它还涉及资源的负责任使用。
Theoretical physics is not just about solving equations; it's about understanding the fabric of reality.
I'm not a preacher and I'm not a teacher. I'm just a singer.